BGA electromagnetic shielding packaging structure and manufacturing method thereof
By using protective components and assembly parts in the BGA electromagnetic shielding package structure, the problems of easy pin damage, lack of protection on the base plate, and inconvenient storage are solved, achieving reliable protection and stable storage of the pins, and improving the overall reliability and transportation management efficiency of electronic components.
Patent Information
- Application Number
- CN202511659311.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-13
- Publication Date
- 2026-01-23
AI Technical Summary
The BGA electromagnetic shielded package suffers from issues such as easily damaged pins, lack of protection on the base plate, and inconvenient storage, which affect the electrical performance and reliability of electronic components and make them prone to damage during storage and transportation.
It adopts a protective component and assembly design, including components such as pad frame, collar, flexible protective cover and rubber ring, to protect the pins and base plate through sleeve and elastic deformation, and to be stably stacked and stored through the assembly components.
It effectively prevents pins from being damaged by bumps, improves component reliability and protection level, provides stable storage to reduce collision damage, and facilitates management and handling.
Smart Images
Figure CN121398660A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of electromagnetic shielding packaging, in particular to a BGA electromagnetic shielding packaging structure and a manufacturing method thereof. BACKGROUND
[0002] In the field of electronic packaging, BGA (Ball Grid Array) packaging is widely used in various electronic devices due to its high-density pins, good electrical performance and heat dissipation performance. However, BGA packaging faces some problems in actual application and storage process: Pins are prone to damage: the BGA electromagnetic shielding packaging body 1 is provided with a plurality of pins 101 at the bottom, which are thin and protruding. During handling, assembly or storage, the pins are prone to damage due to external impact and scratching, resulting in deformation, breakage or poor welding of the pins, which affects the electrical performance and reliability of the entire electronic component, and in severe cases, the component may be scrapped, increasing production costs.
[0003] Lack of protection at the top of the bottom plate: the top of the bottom plate of the BGA electromagnetic shielding packaging body 1 may come into contact with dust, impurities or be slightly impacted during storage and transportation, which may damage the circuit or components at the top of the bottom plate and affect their normal operation.
[0004] Convenient storage: during production, storage and transportation, a plurality of unused BGA electromagnetic shielding packaging bodies 1 need to be stored. The current common storage method lacks effective fixing and protection measures, and multiple components are prone to shaking and colliding when stacked, resulting in component damage and poor overall stability after storage, making it inconvenient to handle and manage. SUMMARY
[0005] The present application aims to provide a BGA electromagnetic shielding packaging structure and a manufacturing method thereof to solve the problems raised in the background.
[0006] To achieve the above-mentioned purpose, the present application provides the following technical solution: a BGA electromagnetic shielding packaging structure, comprising a BGA electromagnetic shielding packaging body, a plurality of pins are provided at the bottom of the BGA electromagnetic shielding packaging body, a protection piece is provided at the bottom of the BGA electromagnetic shielding packaging body, the pins are within the protection range of the protection piece, and the top of the protection piece is sleeved on the bottom end of the BGA electromagnetic shielding packaging body; The top of the protection piece is provided with a wrapping assembly, and the wrapping assembly is sleeved on the bottom plate of the BGA electromagnetic shielding packaging body; The bottom of the protection piece is provided with an assembly component for connecting two BGA electromagnetic shielding packaging bodies stacked one above the other.
[0007] Preferably, the protection piece comprises a cushion frame and a sealing plate fixed at the bottom end of the cushion frame, the distance between the top surface of the sealing plate and the top surface of the cushion frame is greater than the height of the bottom surface of the BGA electromagnetic shielding package body, the top end of the cushion frame is sleeved with a sleeve ring, and the sleeve ring is sleeved at the bottom end of the BGA electromagnetic shielding package body.
[0008] Preferably, the inner ring surface of the sleeve ring is provided with an elastic limiting piece, and the elastic limiting piece is clamped between the sleeve ring and the BGA electromagnetic shielding package body, so as to increase the friction between the sleeve ring and the BGA electromagnetic shielding package body.
[0009] Preferably, the elastic limiting piece comprises a rubber clamp piece, the inner ring surface of the sleeve ring is provided with a side groove at each of the four corners, the rubber clamp piece and the side groove are one-to-one corresponding, and the rubber clamp piece is fixed in the side groove, and the rubber clamp piece is clamped between the side groove and the BGA electromagnetic shielding package body to produce elastic deformation.
[0010] Preferably, the wrapping assembly comprises a flexible protective cover and an elastic rubber ring fixed at the top end of the flexible protective cover, the bottom end of the flexible protective cover is fixed on the top surface of the sleeve ring, the flexible protective cover is wrapped around the bottom plate of the BGA electromagnetic shielding package body after being unfolded, and the elastic rubber ring is sleeved at the connection between the top plate of the BGA electromagnetic shielding package body and the bottom plate of the BGA electromagnetic shielding package body.
[0011] Preferably, the assembling assembly comprises a clamping groove formed in the bottom surface of the sealing plate and a rubber ring fixed on the side wall of the clamping groove, when two BGA electromagnetic shielding package bodies provided with protection pieces are stacked, the top of one BGA electromagnetic shielding package body is inserted into the clamping groove of the protection piece at the bottom of another BGA electromagnetic shielding package body, and the rubber ring is clamped between the clamping groove and the BGA electromagnetic shielding package body to produce elastic deformation.
[0012] A manufacturing method of a BGA electromagnetic shielding packaging structure, the method comprises the following steps: After the sleeve ring is sleeved at the bottom of the BGA electromagnetic shielding package body, the flexible protective cover is unfolded and sleeved on the bottom plate of the BGA electromagnetic shielding package body, and the elastic rubber ring is pulled and sleeved at the connection between the bottom plate and the top plate of the BGA electromagnetic shielding package body, so as to avoid the flexible protective cover from falling off.
[0013] Compared with the prior art, the BGA electromagnetic shielding packaging structure and the manufacturing method thereof have the following beneficial effects: The BGA electromagnetic shielding packaging structure and the manufacturing method thereof disclosed by the application place the cushion frame at the bottom of the BGA electromagnetic shielding package body and push it upward, so that the sleeve ring is sleeved at the bottom end of the BGA electromagnetic shielding package body, at this time, the rubber clamp piece is clamped between the sleeve ring and the BGA electromagnetic shielding package body to increase the friction and avoid the sleeve ring from falling off at will, so that the reliable protection of the cushion frame on the pins is realized, the pins are effectively prevented from being damaged by being knocked, and the reliability and service life of the element are improved.
[0014] When the sleeve ring is sleeved, the flexible protective cover is unfolded and sleeved on the bottom plate of the BGA electromagnetic shielding packaging body, and the elastic rubber ring is sleeved at the connecting position of the top plate and the bottom plate of the BGA electromagnetic shielding packaging body. After being loosened, the elastic rubber ring rebounds tightly and can comprehensively wrap and protect the top of the bottom plate of the BGA electromagnetic shielding packaging body, prevent dust and impurities from entering, and prevent slight collision from causing damage to the top of the bottom plate, thereby further improving the protection level of the element.
[0015] When two BGA electromagnetic shielding packaging bodies provided with protective members are stacked, the top of one element is inserted into the clamping groove of the protective member at the bottom of another element, the rubber ring is elastically deformed and rebounds between the clamping groove and the element to increase friction, and the two stacked elements are prevented from being separated and pre-limited. This design enables multiple unused BGA electromagnetic shielding packaging bodies to be conveniently and stably stacked and stored, reduces the storage space, facilitates transportation and management, and avoids mutual collision and damage between elements. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structural schematic diagram of the application; Figure 2 It is a structural schematic diagram of the application; Figure 1 It is a structural sectional view of A-A in the application; Figure 3 It is a structural schematic diagram of the application; Figure 2 It is an enlarged structural schematic diagram of B in the application; Figure 4 It is a structural schematic diagram of the application; Figure 5 It is an enlarged structural schematic diagram of C in the application; Figure 4 It is a structural schematic diagram of the application; Figure 6 It is a structural schematic diagram of the application; Figure 7 It is a structural sectional view of D-D in the application; Figure 6 It is a structural schematic diagram of the application; Figure 8 It is an enlarged structural schematic diagram of E in the application. Figure 7 In the figure: BGA electromagnetic shielding packaging body 1, pin 101, pad frame 2, sealing plate 3, clamping groove 301, rubber ring 302, sleeve ring 4, edge groove 401, rubber clamping piece 402, flexible protective cover 5, elastic rubber ring 6.
[0017] DETAILED DESCRIPTION
[0018] In order to make the purpose, technical scheme of the present application, and the advantages are clearer, more clearly described, and more clearly understood, the following will be further described in detail with the help of the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present application, rather than all embodiments, and are only used to explain the embodiments of the present application, and are not used to limit the embodiments of the present application. All other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0019] Embodiment one, please refer to Figures 1-8 The present application provides a technical scheme: a BGA electromagnetic shielding packaging structure, comprising a BGA electromagnetic shielding packaging body 1, a plurality of pins 101 are arranged on the bottom of the BGA electromagnetic shielding packaging body 1, a protective piece is arranged on the bottom of the BGA electromagnetic shielding packaging body 1, the pins 101 are in the protection range of the protective piece, and the top of the protective piece is sleeved on the bottom end of the BGA electromagnetic shielding packaging body 1; the protective piece comprises a pad frame 2 and a sealing plate 3 fixed on the bottom end of the pad frame 2, the distance between the top surface of the sealing plate 3 and the top surface of the pad frame 2 is greater than the height of the pins 101 extending out of the bottom surface of the BGA electromagnetic shielding packaging body 1, a sleeve ring 4 is sleeved and fixed on the top end of the pad frame 2, and the sleeve ring 4 is sleeved on the bottom end of the BGA electromagnetic shielding packaging body 1. The inner ring surface of the sleeve ring 4 is provided with an elastic limiting piece, the elastic limiting piece is clamped between the sleeve ring 4 and the BGA electromagnetic shielding packaging body 1, and the friction between the sleeve ring 4 and the BGA electromagnetic shielding packaging body 1 is increased. The elastic limiting piece comprises a rubber clamp piece 402, the inner ring surface of the sleeve ring 4 is provided with a side groove 401 at four corners, the rubber clamp piece 402 and the side groove 401 correspond to each other, and the rubber clamp piece 402 is fixed in the side groove 401. The rubber clamp piece 402 is clamped between the side groove 401 and the BGA electromagnetic shielding packaging body 1 to produce elastic deformation.
[0020] After the pad frame 2 is placed on the bottom of the BGA electromagnetic shielding packaging body 1, the pad frame 2 is pushed upward, so that the sleeve ring 4 is sleeved on the bottom plate of the BGA electromagnetic shielding packaging body 1. At this time, the rubber clamp piece 402 is clamped between the sleeve ring 4 and the BGA electromagnetic shielding packaging body 1, the friction between the sleeve ring 4 and the BGA electromagnetic shielding packaging body 1 is increased, the sleeve ring 4 is prevented from falling off the bottom of the BGA electromagnetic shielding packaging body 1 at will, so as to realize the protection of the pins 101 on the bottom of the BGA electromagnetic shielding packaging body 1 by the pad frame 2, and prevent the pins 101 from being damaged by knocking.
[0021] In order to realize the protection of the top of the bottom plate of the BGA electromagnetic shielding packaging body 1, the following is proposed: The top of the protection piece is provided with a wrapping assembly which is sleeved on the bottom plate of the BGA electromagnetic shielding packaging body 1; the wrapping assembly comprises a flexible protective cover 5 and an elastic rubber ring 6 fixed at the top end of the flexible protective cover 5, the bottom end of the flexible protective cover 5 is fixed on the top surface of the sleeve ring 4, and the flexible protective cover 5 is wrapped around the bottom plate of the BGA electromagnetic shielding packaging body 1 after being unfolded, and the elastic rubber ring 6 is sleeved at the connecting position of the top plate of the BGA electromagnetic shielding packaging body 1 and the bottom plate of the BGA electromagnetic shielding packaging body 1.
[0022] When the sleeve ring 4 is sleeved on the bottom of the BGA electromagnetic shielding packaging body 1, the flexible protective cover 5 is unfolded and sleeved on the bottom plate of the BGA electromagnetic shielding packaging body 1 by tensioning, and the elastic rubber ring 6 is sleeved at the connecting position of the top plate of the BGA electromagnetic shielding packaging body 1 and the bottom plate of the BGA electromagnetic shielding packaging body 1 after being expanded, and the elastic rubber ring 6 is tightly clamped at the connecting position of the top plate of the BGA electromagnetic shielding packaging body 1 and the bottom plate of the BGA electromagnetic shielding packaging body 1 after being released.
[0023] In order to realize the stacking storage of a plurality of unused BGA electromagnetic shielding packaging bodies 1, the following is proposed: The bottom of the protection piece is provided with an assembling assembly for connecting two BGA electromagnetic shielding packaging bodies 1 stacked up and down. The assembling assembly comprises a clamping groove 301 opened in the bottom surface of the sealing plate 3 and a rubber ring 302 fixed on the side wall of the clamping groove 301, when two BGA electromagnetic shielding packaging bodies 1 provided with protection pieces are stacked, the top of one BGA electromagnetic shielding packaging body 1 is inserted into the clamping groove 301 of the protection piece at the bottom of the other BGA electromagnetic shielding packaging body 1, and the rubber ring 302 is elastically deformed by being clamped between the clamping groove 301 and the BGA electromagnetic shielding packaging body 1; the elastic rubber ring 302 rebounds to increase the friction between the BGA electromagnetic shielding packaging body 1 and the clamping groove 301, thereby realizing the anti-disengagement pre-limiting of the two stacked BGA electromagnetic shielding packaging bodies 1.
[0024] Method for using the BGA electromagnetic shielding packaging structure: The BGA electromagnetic shielding packaging structure comprises a BGA electromagnetic shielding packaging body 1, a plurality of pins 101 are arranged at the bottom of the BGA electromagnetic shielding packaging body 1, a protection piece is arranged at the bottom of the BGA electromagnetic shielding packaging body 1, the protection piece is composed of a pad frame 2 and a sealing plate 3 fixed at the bottom end of the pad frame 2, a sleeve ring 4 is sleeved and fixed at the top end of the pad frame 2, a wrapping assembly is arranged at the top of the protection piece, and an assembling assembly is arranged at the bottom of the protection piece. The following is a specific use method: I. Protection of the pins 101 at the bottom of the BGA electromagnetic shielding packaging body 1 The cushion frame 2 is placed on the bottom of the BGA electromagnetic shielding packaging body 1, and then the cushion frame 2 is pushed upwards so that the sleeve ring 4 is sleeved on the bottom plate of the BGA electromagnetic shielding packaging body 1. At this time, the rubber clamping pieces 402 in the edge grooves 401 at the four corners of the inner ring surface of the sleeve ring 4 are clamped between the sleeve ring 4 and the BGA electromagnetic shielding packaging body 1, and the rubber clamping pieces 402 are elastically deformed, thereby increasing the friction between the sleeve ring 4 and the BGA electromagnetic shielding packaging body 1, avoiding the sleeve ring 4 from being randomly detached from the bottom of the BGA electromagnetic shielding packaging body 1, and further realizing the protection of the pins 101 on the bottom of the BGA electromagnetic shielding packaging body 1 by the cushion frame 2, thereby preventing the pins 101 from being damaged by knocking.
[0025] II. Protection of the top of the bottom plate of the BGA electromagnetic shielding packaging body 1 When the sleeve ring 4 is sleeved on the bottom of the BGA electromagnetic shielding packaging body 1, the flexible protective cover 5 is tensioned so as to be unfolded and sleeved on the bottom plate of the BGA electromagnetic shielding packaging body 1. The bottom end of the flexible protective cover 5 is fixed to the top surface of the sleeve ring 4. The expanded elastic rubber ring 6 is sleeved on the connection between the top plate and the bottom plate of the BGA electromagnetic shielding packaging body 1, and then the elastic rubber ring 6 is loosened, and the elastic rubber ring 6 rebounds and tightly clamps the connection between the top plate and the bottom plate of the BGA electromagnetic shielding packaging body 1, thereby realizing the protection of the top of the bottom plate of the BGA electromagnetic shielding packaging body 1.
[0026] III. Stacking and storage of multiple unused BGA electromagnetic shielding packaging bodies 1 Two BGA electromagnetic shielding packaging bodies 1 provided with protective members are prepared. The top of one BGA electromagnetic shielding packaging body 1 is inserted into the clamping groove 301 of the protective member on the bottom of another BGA electromagnetic shielding packaging body 1. At this time, the rubber ring 302 on the side wall of the clamping groove 301 is clamped between the clamping groove 301 and the BGA electromagnetic shielding packaging body 1 and elastically deformed. The rubber ring 302 rebounds, thereby increasing the friction between the BGA electromagnetic shielding packaging body 1 and the clamping groove 301, realizing the anti-detachment pre-limiting of the two stacked BGA electromagnetic shielding packaging bodies 1, and completing the stacking and storage of multiple unused BGA electromagnetic shielding packaging bodies 1.
[0027] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A BGA electromagnetic shielding package structure, comprising a BGA electromagnetic shielding package body (1), the bottom of the BGA electromagnetic shielding package body (1) is provided with a plurality of pins (101), characterized in that: The bottom of the BGA electromagnetic shielding package body (1) is provided with a protective piece, the pin (101) is in the protection range of the protective piece, and the top of the protective piece is sleeved on the bottom end of the BGA electromagnetic shielding package body (1); The top of the protective piece is provided with a wrapping assembly, and the wrapping assembly is sleeved on the bottom plate of the BGA electromagnetic shielding package body (1); The bottom of the protective piece is provided with an assembling assembly for connecting two BGA electromagnetic shielding package bodies (1) stacked up and down.
2. The BGA electromagnetic shielding package structure of claim 1, wherein: The protective piece comprises a pad frame (2) and a sealing plate (3) fixed at the bottom end of the pad frame (2), the distance from the top surface of the sealing plate (3) to the top surface of the pad frame (2) is greater than the height of the pin (101) extending out of the bottom surface of the BGA electromagnetic shielding package body (1), and the top end of the pad frame (2) is sleeved with a sleeve ring (4) fixed thereon, and the sleeve ring (4) is sleeved on the bottom end of the BGA electromagnetic shielding package body (1).
3. The electromagnetic shielding package structure of claim 2, wherein: The inner ring surface of the sleeve ring (4) is provided with an elastic limiting piece, the elastic limiting piece is clamped between the sleeve ring (4) and the BGA electromagnetic shielding package body (1), and the friction between the sleeve ring (4) and the BGA electromagnetic shielding package body (1) is increased.
4. The electromagnetic shielding package structure of claim 3, wherein: The elastic limiting piece comprises a rubber clamp (402), the inner ring surface of the sleeve ring (4) is provided with a side groove (401) at each of the four corners, the rubber clamp (402) and the side groove (401) are one-to-one corresponding, and the rubber clamp (402) is fixed in the side groove (401), and the rubber clamp (402) is clamped between the side groove (401) and the BGA electromagnetic shielding package body (1) to produce elastic deformation.
5. The electromagnetic shielding package structure of claim 4, wherein: The wrapping assembly comprises a flexible protective cover (5) and an elastic rubber ring (6) fixed at the top end of the flexible protective cover (5), the bottom end of the flexible protective cover (5) is fixed to the top surface of the sleeve ring (4), the flexible protective cover (5) is wrapped around the bottom plate of the BGA electromagnetic shielding package body (1) after being unfolded, and the elastic rubber ring (6) is sleeved on the connection between the top plate of the BGA electromagnetic shielding package body (1) and the bottom plate of the BGA electromagnetic shielding package body (1).
6. The electromagnetic shielding package structure of claim 5, wherein: The assembling assembly comprises a clamping groove (301) formed in the bottom surface of the sealing plate (3) and a rubber ring (302) fixed on the side wall of the clamping groove (301), when two BGA electromagnetic shielding package bodies (1) provided with the protective piece are stacked, the top of one BGA electromagnetic shielding package body (1) is inserted into the clamping groove (301) of the protective piece at the bottom of the other BGA electromagnetic shielding package body (1), and the rubber ring (302) is clamped between the clamping groove (301) and the BGA electromagnetic shielding package body (1) to produce elastic deformation.
7. A method of manufacturing a BGA electromagnetic shield package structure, the method of manufacturing the BGA electromagnetic shield package structure of claim 6, wherein: The method comprises the following steps: After the sleeve ring (4) is sleeved on the bottom of the BGA electromagnetic shielding package body (1), the flexible protective cover (5) is unfolded and sleeved on the bottom plate of the BGA electromagnetic shielding package body (1), and the elastic rubber ring (6) is sleeved on the connection between the bottom plate and the top plate of the BGA electromagnetic shielding package body (1), so as to avoid the flexible protective cover (5) from falling off.